Rear bumper for automobiles



FIG. 1 is a front elevational view of a rear bumper for automobiles showing my new design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image thereof; and,

FIG. 3 is a top, front and left side perspective view thereof.

The broken lines in the drawings illustrate portions of the rear bumper for automobiles that forms no part of the claimed design. 

CLAIM The ornamental design for a rear bumper for automobiles, as shown and described. 